ignitionSpark Plug Wires Torque Specsfor 1990-2000 Lexus LS 400 4.0L V8 · RWDUnitslb-ftNm7 fastenersSeqComponentTorqueAngle—Cover Screws9 lb-ft · 12 Nm——Engine Cover Clips2 lb-ft · 3 Nm——Ignition Coil Bolt9 lb-ft · 12 Nm——Ignition Coil Bolts6 lb-ft · 8 Nm——Mounting Bolts23 lb-ft · 31 Nm——Spark PlugCriticalGap before install17 lb-ft · 23 Nm——Spark Plugs - Aluminum HeadCriticalApply anti-seize to threads15 lb-ft · 20 Nm—📝 Suggest a correction to this torque spec